4+ hour, 29+ min ago  (412+ words) A new Yale study reveals that tunas evolved their signature size, speed, and warm-bloodedness gradually over 50 million years rather than in rapid response to the mass extinction that ended the age of dinosaurs. A long-held theory suggests that the asteroid…...

2+ week, 1+ day ago  (611+ words) Yale researchers used fossilized teeth in ocean sediments to trace the origins of Cyclothone, a deep-sea fish genus, back at least 55 million years. Distinctive spiral striations on the teeth of extant species of Cyclothone — the world’s most numerically abundant fish…...

1+ mon, 3+ week ago  (377+ words) A Yale-led study describing a new Southern cavefish species provides strong evidence that new species can arise in organisms adapted to live only underground. CT scanning revealed that the skull of the new species, Typhlichthys styx, features the remnant of…...

7+ mon, 2+ week ago  (519+ words) A new study, based in part on samples from the Yale Peabody Museum, shows that a small dinosaur thought to be a juvenile Tyrannosaurus rex was actually a distinct species. Illustration by Andrey Atuchin, courtesy of Cleveland Museum of Natural…...

3+ mon, 3+ day ago  (574+ words) 210 million years ago, Eosphorosuchus lacrimosa (left) is disturbed by Hesperosuchus agilis (right) near a Coelophysis carcass at what will become modern-day Ghost Ranch, New Mexico. Illustration by Julio Lacerda On a fateful day 210 million years ago, two crocodile cousins about…...

1+ year, 1+ week ago  (667+ words) Yale paleontologists are co-authors of a new study that may change our understanding of how a key wrist bone in birds evolved. A life reconstruction of the specimen of Citipati, a dinosaur closely related to birds, analyzed with an x-ray…...

5+ mon, 1+ week ago  (1561+ words) At the Yale Peabody Museum, a student-made mural offers a glimpse into our planet’s past — and brought together New Haven residents to imagine its future. “Temporal Portal,” a new mural in the Yale Peabody Museum. If you stand on the…...

1+ year, 6+ day ago  (580+ words) A Yale-led study has found that night lizards, small reptiles that inhabit North and Central America, survived the extinction event that wiped out most life on Earth — despite living near ground zero. Madrean tropical night lizard (Lepidophyma sylvaticum) El Cielo…...